20502018514 has 16 divisors (see below), whose sum is σ = 32982396480. Its totient is φ = 9528246000.

The previous prime is 20502018497. The next prime is 20502018521. The reversal of 20502018514 is 41581020502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5087862 + ... + 5091889.

It is an arithmetic number, because the mean of its divisors is an integer number (2061399780).

Almost surely, 2^20502018514 is an apocalyptic number.

20502018514 is a deficient number, since it is larger than the sum of its proper divisors (12480377966).

20502018514 is a wasteful number, since it uses less digits than its factorization.

20502018514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10179825.

The product of its (nonzero) digits is 3200, while the sum is 28.

The spelling of 20502018514 in words is "twenty billion, five hundred two million, eighteen thousand, five hundred fourteen".